octennial
octennially octet octette octillion octingentenary october octobrist octocentenary octocentennial octode octodecimo octogenarian octogynous octolateral octonal octonarian octonary octonocular octoped octopede octopetalous octoploid octopod octopoda octopodous octopus octoradiate octoroon octosepalous |
octennial /ɔk'tenjəl/
tính từ
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